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AD5258BRMZ100 PDF预览

AD5258BRMZ100

更新时间: 2024-01-24 02:18:41
品牌 Logo 应用领域
亚德诺 - ADI 转换器电位器数字电位计电阻器光电二极管
页数 文件大小 规格书
24页 534K
描述
Nonvolatile, I2C-Compatible 64-Position, Digital Potentiometer

AD5258BRMZ100 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:10
Reach Compliance Code:unknown风险等级:5.78
Is Samacsys:N其他特性:NONVOLATILE MEMORY
标称带宽:0.1 kHz控制接口:2-WIRE SERIAL
转换器类型:DIGITAL POTENTIOMETERJESD-30 代码:S-PDSO-G10
JESD-609代码:e3长度:3 mm
湿度敏感等级:1功能数量:1
位置数:64端子数量:10
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:COMMERCIAL
电阻定律:LINEAR最大电阻容差:30%
最大电阻器端电压:5.5 V最小电阻器端电压:
座面最大高度:1.1 mm标称供电电压:3 V
表面贴装:YES标称温度系数:200 ppm/ °C
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
标称总电阻:100000 Ω宽度:3 mm
Base Number Matches:1

AD5258BRMZ100 数据手册

 浏览型号AD5258BRMZ100的Datasheet PDF文件第2页浏览型号AD5258BRMZ100的Datasheet PDF文件第3页浏览型号AD5258BRMZ100的Datasheet PDF文件第4页浏览型号AD5258BRMZ100的Datasheet PDF文件第5页浏览型号AD5258BRMZ100的Datasheet PDF文件第6页浏览型号AD5258BRMZ100的Datasheet PDF文件第7页 
Nonvolatile, I2C®-Compatible  
64-Position, Digital Potentiometer  
Data Sheet  
AD5258  
FEATURES  
FUNCTIONAL BLOCK DIAGRAMS  
Nonvolatile memory maintains wiper settings  
64-position digital potentiometer  
Compact MSOP-10 (3 mm × 4.9 mm)  
I2C-compatible interface  
RDAC  
V
DD  
A
RDAC  
V
RDAC  
LOGIC  
GND  
EEPROM  
W
B
REGISTER  
6
6
DATA  
CONTROL  
V
LOGIC pin provides increased interface flexibility  
SCL  
SDA  
2
I C  
End-to-end resistance 1 kΩ, 10 kΩ, 50 kΩ, 100 kΩ  
Resistance tolerance stored in EEPROM (0.1% accuracy)  
Power-on EEPROM refresh time <1 ms  
Software write protect command  
Address Decode Pin AD0 and Address Decode Pin AD1 allow  
four packages per bus  
SERIAL  
INTERFACE  
AD0  
AD1  
COMMAND  
DECODE LOGIC  
AD5258  
ADDRESS  
DECODE LOGIC  
POWER-  
ON RESET  
CONTROL LOGIC  
100-year typical data retention at 55°C  
Wide operating temperature 40°C to +85°C  
3 V to 5 V single supply  
Figure 1. Block Diagram  
V
V
DD  
LOGIC  
A
APPLICATIONS  
EEPROM  
SCL  
SDA  
AD0  
AD1  
LCD panel VCOM adjustment  
RDAC  
REGISTER  
AND  
2
I
C
SERIAL  
INTERFACE  
LCD panel brightness and contrast control  
Mechanical potentiometer replacement in new designs  
Programmable power supplies  
RF amplifier biasing  
LEVEL  
SHIFTER  
W
COMMAND  
DECODE LOGIC  
ADDRESS  
DECODE LOGIC  
Automotive electronics adjustment  
Gain control and offset adjustment  
Fiber to the home systems  
CONTROL  
LOGIC  
GND  
B
Figure 2. Block Diagram Showing Level Shifters  
Electronics level settings  
GENERAL DESCRIPTION  
The AD5258 provides a compact, nonvolatile 3 mm × 4.9 mm  
packaged solution for 64-position adjustment applications. These  
devices perform the same electronic adjustment function as  
mechanical potentiometers1 or variable resistors, but with  
enhanced resolution and solid-state reliability.  
The wiper settings are controllable through an I2C-compatible  
digital interface that is also used to read back the wiper register  
and EEPROM content in addition, resistor tolerance is stored  
within EEPROM, providing an end-to-end tolerance accuracy  
of 0.1%. There is also a software write protection function that  
ensures data cannot be written to the EEPROM register.  
A separate VLOGIC pin delivers increased interface flexibility. For  
users who need multiple parts on one bus, Address Bit AD0 and  
Address Bit AD1 allow up to four devices on the same bus.  
1 The terms digital potentiometer, VR (variable resistor), and RDAC are used  
interchangeably.  
Rev. D  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rightsof third parties that may result fromits use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks andregisteredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2005–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
 

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